- int i;
- irqreturn_t (*handlers[4])(int irq, void *ptr) = {
- sci_er_interrupt, sci_rx_interrupt, sci_tx_interrupt,
- sci_br_interrupt,
- };
- const char *desc[] = { "SCI Receive Error", "SCI Receive Data Full",
- "SCI Transmit Data Empty", "SCI Break" };
-
- if (port->cfg->irqs[0] == port->cfg->irqs[1]) {
- if (unlikely(!port->cfg->irqs[0]))
- return -ENODEV;
-
- if (request_irq(port->cfg->irqs[0], sci_mpxed_interrupt,
- IRQF_DISABLED, "sci", port)) {
- dev_err(port->port.dev, "Can't allocate IRQ\n");
- return -ENODEV;
+ struct uart_port *up = &port->port;
+ int i, j, ret = 0;
+
+ for (i = j = 0; i < SCIx_NR_IRQS; i++, j++) {
+ struct sci_irq_desc *desc;
+ unsigned int irq;
+
+ if (SCIx_IRQ_IS_MUXED(port)) {
+ i = SCIx_MUX_IRQ;
+ irq = up->irq;
+ } else
+ irq = port->cfg->irqs[i];
+
+ desc = sci_irq_desc + i;
+ port->irqstr[j] = kasprintf(GFP_KERNEL, "%s:%s",
+ dev_name(up->dev), desc->desc);
+ if (!port->irqstr[j]) {
+ dev_err(up->dev, "Failed to allocate %s IRQ string\n",
+ desc->desc);
+ goto out_nomem;